Airxcel Marvair VAIVA36, Руководство по техническому обслуживанию и ремонту

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Scholar V VAIVA Maintenance & Service Manual 10/2017 Rev.2 16
Deadband
Setpoint
Below the lower point of
the deadband, the
compressor control
voltage decreases
incrementally by
.4 volts every
20 seconds (adjustable)
to a minimum of .8 volts.
Shutoff Differential
Default = 1.5ºF (Adjustable)
Low Deadband
Differential Default
.25ºF (Adjustable)
High Deadband
Differential Default
.25ºF (Adjustable)
Scholar V Cooling Control Method
Within the deadband, the compressor speed stays
fixed at the speed it was operating when the
deadband was entered.
On the higher side of
the deadband, the
compressor control
voltage increases
incrementally by .4
volts every 20 seconds
(adjustable) to a
maximum of 6.35 volts.
Deadband
Setpoint
Above the higher point of
the deadband, the
compressor control
voltage decreases
incrementally by
.4 volts every
20 seconds (adjustable)
to a minimum of .8 volts.
Shutoff Differential
Default = 1.5ºF (Adjustable)
Low Deadband
Differential Default
.25ºF (Adjustable)
High Deadband
Differential Default
.25ºF (Adjustable)
Scholar V Heating Control Method
Within the deadband, the compressor speed stays
fixed at the speed it was operating when the
deadband was entered.
On the lower side of the
deadband, the
compressor control
voltage increases
incrementally by .4
volts every 20 seconds
(adjustable) to a
maximum of 9 volts.
Figure 7. Scholar V Cooling Control Method
Deadband
Setpoint
Below the lower point of
the deadband, the
compressor control
voltage decreases
incrementally by
.4 volts every
20 seconds (adjustable)
to a minimum of .8 volts.
Shutoff Differential
Default = 1.5ºF (Adjustable)
Low Deadband
Differential Default
.25ºF (Adjustable)
High Deadband
Differential Default
.25ºF (Adjustable)
Scholar V Cooling Control Method
Within the deadband, the compressor speed stays
fixed at the speed it was operating when the
deadband was entered.
On the higher side of
the deadband, the
compressor control
voltage increases
incrementally by .4
volts every 20 seconds
(adjustable) to a
maximum of 6.35 volts.
Deadband
Setpoint
Above the higher point of
the deadband, the
compressor control
voltage decreases
incrementally by
.4 volts every
20 seconds (adjustable)
to a minimum of .8 volts.
Shutoff Differential
Default = 1.5ºF (Adjustable)
Low Deadband
Differential Default
.25ºF (Adjustable)
High Deadband
Differential Default
.25ºF (Adjustable)
Scholar V Heating Control Method
Within the deadband, the compressor speed stays
fixed at the speed it was operating when the
deadband was entered.
On the lower side of the
deadband, the
compressor control
voltage increases
incrementally by .4
volts every 20 seconds
(adjustable) to a
maximum of 9 volts.
Figure 8. Scholar V Heating Control Method